diff --git a/addons/addon-attach/package.json b/addons/addon-attach/package.json
index 8e5a413e5e..94b483dd87 100644
--- a/addons/addon-attach/package.json
+++ b/addons/addon-attach/package.json
@@ -21,6 +21,6 @@
     "prepublishOnly": "npm run package"
   },
   "peerDependencies": {
-    "xterm": "^5.0.0"
+    "@xterm/xterm": "^5.0.0"
   }
 }
diff --git a/addons/addon-canvas/package.json b/addons/addon-canvas/package.json
index a614c28116..9aabb001fb 100644
--- a/addons/addon-canvas/package.json
+++ b/addons/addon-canvas/package.json
@@ -23,6 +23,6 @@
     "start-server-only": "node ../../demo/start-server-only"
   },
   "peerDependencies": {
-    "xterm": "^5.0.0"
+    "@xterm/xterm": "^5.0.0"
   }
 }
diff --git a/addons/addon-fit/package.json b/addons/addon-fit/package.json
index 046ef4d874..585f3621c5 100644
--- a/addons/addon-fit/package.json
+++ b/addons/addon-fit/package.json
@@ -21,6 +21,6 @@
     "prepublishOnly": "npm run package"
   },
   "peerDependencies": {
-    "xterm": "^5.0.0"
+    "@xterm/xterm": "^5.0.0"
   }
 }
diff --git a/addons/addon-image/package.json b/addons/addon-image/package.json
index 4b0f8cdc4b..8572e3300f 100644
--- a/addons/addon-image/package.json
+++ b/addons/addon-image/package.json
@@ -22,7 +22,7 @@
     "prepublishOnly": "npm run package"
   },
   "peerDependencies": {
-    "xterm": "^5.2.0"
+    "@xterm/xterm": "^5.2.0"
   },
   "devDependencies": {
     "sixel": "^0.16.0",
diff --git a/addons/addon-ligatures/package.json b/addons/addon-ligatures/package.json
index c62f9e08af..3025188828 100644
--- a/addons/addon-ligatures/package.json
+++ b/addons/addon-ligatures/package.json
@@ -42,6 +42,6 @@
     "yauzl": "^2.10.0"
   },
   "peerDependencies": {
-    "xterm": "^5.0.0"
+    "@xterm/xterm": "^5.0.0"
   }
 }
diff --git a/addons/addon-search/package.json b/addons/addon-search/package.json
index 9fab82afb4..ae4fb5d9a9 100644
--- a/addons/addon-search/package.json
+++ b/addons/addon-search/package.json
@@ -21,6 +21,6 @@
     "prepublishOnly": "npm run package"
   },
   "peerDependencies": {
-    "xterm": "^5.0.0"
+    "@xterm/xterm": "^5.0.0"
   }
 }
diff --git a/addons/addon-serialize/README.md b/addons/addon-serialize/README.md
index f011689354..862ebac3e4 100644
--- a/addons/addon-serialize/README.md
+++ b/addons/addon-serialize/README.md
@@ -13,7 +13,7 @@ npm install --save @xterm/addon-serialize
 ### Usage
 
 ```ts
-import { Terminal } from "xterm";
+import { Terminal } from "@xterm/xterm";
 import { SerializeAddon } from "@xterm/addon-serialize";
 
 const terminal = new Terminal();
diff --git a/addons/addon-serialize/package.json b/addons/addon-serialize/package.json
index c95bc5312d..763c52ca94 100644
--- a/addons/addon-serialize/package.json
+++ b/addons/addon-serialize/package.json
@@ -24,6 +24,6 @@
     "benchmark-eval": "NODE_PATH=../../out:./out:./out-benchmark/ ../../node_modules/.bin/xterm-benchmark -r 5 -c benchmark/benchmark.json --eval out-benchmark/benchmark/*benchmark.js"
   },
   "peerDependencies": {
-    "xterm": "^5.0.0"
+    "@xterm/xterm": "^5.0.0"
   }
 }
diff --git a/addons/addon-unicode-graphemes/package.json b/addons/addon-unicode-graphemes/package.json
index 5e270025cd..d49eda8733 100644
--- a/addons/addon-unicode-graphemes/package.json
+++ b/addons/addon-unicode-graphemes/package.json
@@ -24,6 +24,6 @@
     "benchmark-eval": "NODE_PATH=../../out:./out:./out-benchmark/ ../../node_modules/.bin/xterm-benchmark -r 5 -c benchmark/benchmark.json --eval out-benchmark/benchmark/*benchmark.js"
   },
   "peerDependencies": {
-    "xterm": "^5.0.0"
+    "@xterm/xterm": "^5.0.0"
   }
 }
diff --git a/addons/addon-unicode11/package.json b/addons/addon-unicode11/package.json
index b54f9ab4a8..ad6a489249 100644
--- a/addons/addon-unicode11/package.json
+++ b/addons/addon-unicode11/package.json
@@ -21,6 +21,6 @@
     "prepublishOnly": "npm run package"
   },
   "peerDependencies": {
-    "xterm": "^5.0.0"
+    "@xterm/xterm": "^5.0.0"
   }
 }
diff --git a/addons/addon-web-links/package.json b/addons/addon-web-links/package.json
index e1d60b022c..6367907aac 100644
--- a/addons/addon-web-links/package.json
+++ b/addons/addon-web-links/package.json
@@ -21,7 +21,7 @@
     "prepublishOnly": "npm run package"
   },
   "peerDependencies": {
-    "xterm": "^5.0.0"
+    "@xterm/xterm": "^5.0.0"
   }
 
 }
diff --git a/addons/addon-webgl/package.json b/addons/addon-webgl/package.json
index f52f8b59b4..9a31c306c6 100644
--- a/addons/addon-webgl/package.json
+++ b/addons/addon-webgl/package.json
@@ -23,7 +23,6 @@
     "start-server-only": "node ../../demo/start-server-only"
   },
   "peerDependencies": {
-    "xterm": "^5.0.0"
+    "@xterm/xterm": "^5.0.0"
   }
-
 }
diff --git a/bin/publish.js b/bin/publish.js
index 4d60342d71..7253dffba6 100644
--- a/bin/publish.js
+++ b/bin/publish.js
@@ -42,11 +42,10 @@ const addonPackageDirs = [
 console.log(`Checking if addons need to be published`);
 for (const p of addonPackageDirs) {
   const addon = path.basename(p);
-  // TODO: Uncomment after first publish
-  // if (changedFiles.some(e => e.includes(addon))) {
+  if (changedFiles.some(e => e.includes(addon))) {
     console.log(`Try publish ${addon}`);
     checkAndPublishPackage(p);
-  // }
+  }
 }
 
 // Publish website if it's a stable release
@@ -58,9 +57,9 @@ function checkAndPublishPackage(packageDir) {
   const packageJson = require(path.join(packageDir, 'package.json'));
 
   // Determine if this is a stable or beta release
-  // TODO: Uncomment after first publish
+  // TODO: Uncomment when publishing 5.4
   // const publishedVersions = getPublishedVersions(packageJson);
-  const isStableRelease = false; // !publishedVersions.includes(packageJson.version);
+  const isStableRelease = false; //!publishedVersions.includes(packageJson.version);
 
   // Get the next version
   let nextVersion = isStableRelease ? packageJson.version : getNextBetaVersion(packageJson);
@@ -115,12 +114,20 @@ function getNextBetaVersion(packageJson) {
   return `${nextStableVersion}-${tag}.${latestTagVersion + 1}`;
 }
 
+function asArray(value) {
+  return Array.isArray(value) ? value : [value];
+}
+
 function getPublishedVersions(packageJson, version, tag) {
-  const versionsProcess = cp.spawnSync('npm', ['view', packageJson.name, 'versions', '--json']);
-  const versionsJson = JSON.parse(versionsProcess.stdout);
-  if (!versionsJson || !Array.isArray(versionsJson) || versionsJson.length === 0) {
-    return [];
+  const versionsProcess = cp.spawnSync(os.platform === 'win32' ? 'npm.cmd' : 'npm', ['view', packageJson.name, 'versions', '--json']);
+  if (versionsProcess.stdout.length === 0 && versionsProcess.stderr) {
+    const err = versionsProcess.stderr.toString();
+    if (err.indexOf('404 Not Found - GET https://registry.npmjs.org/@xterm') > 0) {
+      return [];
+    }
+    throw new Error('Could not get published versions\n' + err);
   }
+  const versionsJson = asArray(JSON.parse(versionsProcess.stdout));
   if (tag) {
     return versionsJson.filter(v => !v.search(new RegExp(`${version}-${tag}.[0-9]+`)));
   }